AAR open top loads by Doug Forbes Using the AAR open top loading guide and rare earth magnets to make removable flat car loads ... Wouldn’t it be nice to have flat car loads that could be easily removed for an operating session? Imagine that John Doe for ACME Road Construction ordered a new steam shovel excavator or a new road grader. For an operating session, the load would be shipped to an unloading ramp at Anywhere, USA. Then the load is simply removed out of the way and the empty flat car is routed back to the yard to begin its next ship- ment cycle. MRHMAG.COM • TABLE OF CONTENTS • INDEX